Radeon HD 6870 vs Radeon R9 280X
Summary
Radeon HD 6870
100%
Radeon R9 280X
241%
Relative performance
Radeon HD 6870
100%
Radeon R9 280X
266%
Relative performance
Reasons to consider Radeon HD 6870 |
| 99 watts lower power draw. This might be a strong point if your current power supply is not enough to handle the Radeon R9 280X . |
| Based on an outdated architecture (ATI TeraScale), there are no performance optimizations for current games and applications |
Reasons to consider Radeon R9 280X |
| 166% higher gaming performance. |
| This is a much newer product, it might have better long term support. |
| Supports Direct3D 12 Async Compute |
| Supports ReLive (allows game streaming/recording with minimum performance penalty) |
| Supports Mantle |
| Based on an outdated architecture (AMD GCN), there may be no performance optimizations for current games and applications |
HWBench recommends Radeon R9 280X
The Radeon R9 280X is the better performing card based on the game benchmark suite used (5 combinations of games and resolutions).
Core Configuration
| Radeon HD 6870 | | Radeon R9 280X | |
|---|
| GPU Name | Barts (Barts XT) | vs | Tahiti (Tahiti XTL) |
| Fab Process | 40 nm | vs | 28 nm |
| Die Size | 255 mm² | vs | 352 mm² |
| Transistors | 1,700 million | vs | 4,313 million |
| Shaders | 1120 | vs | 2048 |
| Compute Units | 14 | vs | 32 |
| Core clock | 900 MHz | vs | 850 MHz |
| ROPs | 32 | vs | 32 |
| TMUs | 56 | vs | 128 |
Memory Configuration
| Radeon HD 6870 | | Radeon R9 280X | |
|---|
| Memory Type | GDDR5 | vs | GDDR5 |
| Bus Width | 256 bit | vs | 384 bit |
| Memory Speed | 1050 MHz
4200 MHz effective | vs | 1500 MHz
6000 MHz effective |
| Memory Size | 1024 Mb | vs | 3072 Mb |
Additional details
| Radeon HD 6870 | | Radeon R9 280X | |
|---|
| TDP | 151 watts | vs | 250 watts |
| Release Date | 21 Oct 2010 | vs | 8 Oct 2013 |
Radeon HD 6870
28.80 GP/s
Radeon R9 280X
27.20 GP/s
GigaPixels - higher is better
Radeon HD 6870
50.40 GT/s
Radeon R9 280X
109.00 GT/s
GigaTexels - higher is better
Radeon HD 6870
134.00 GB/s
Radeon R9 280X
288.00 GB/s
GB/s - higher is better
Radeon HD 6870
2016.00 GFLOPs
Radeon R9 280X
3482.00 GFLOPs
GFLOPs - higher is better
Radeon HD 6870
4540
Radeon R9 280X
10960
Points (higher is better)
DX11, Ultra Quality,2x MSAA,16x AF, HBAO
Radeon HD 6870
23
Radeon R9 280X
72
FPS (higher is better)
DX11, Ultra Quality,DDOD, FX AA
Radeon HD 6870
29
Radeon R9 280X
69
FPS (higher is better)
DX11,Very High Quality, FXAA
Radeon HD 6870
17
Radeon R9 280X
42
FPS (higher is better)
DX11, Ultra Quality, 4xMSAA
Radeon HD 6870
25
Radeon R9 280X
67
FPS (higher is better)
DX11, Ultra, DDOD, FXAA
Radeon HD 6870
18
Radeon R9 280X
48
FPS (higher is better)